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The Effect of Heterogeneity and Element Sizes on Rock Mechanics Properties
Abstract:
Based on the analysis of the experiment, a statistical damage model can be established according with Weibull distribution from the basic characteristics of rocks, the statistic theory of heterogeneity and the microscopic principles of damages, analyze the constitutive relationship of rocks through the stress-strain relationship, heterogeneity, and the element sizes. According to the analysis of rock strength and failure models in numerical simulation, it is acquired the influence of heterogeneity and element sizes on rock mechanics properties. The results of numerical simulation provide a new way for the study of the medium macro behavior on the deformations and fractures.
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2643-2646
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Online since:
May 2011
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© 2011 Trans Tech Publications Ltd. All Rights Reserved
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